---
title: "Mercury Water Pump Kit — $41K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/mercury-water-pump-kit"
last_updated: "2026-08-10T12:33:51.685Z"
locale: en
meta:
description: "Niche score 37/100 · $41K/yr market · 32K searches/yr · $46.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $41K/yr market · 32K searches/yr · $46.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mercury Water Pump Kit — $41K/yr Amazon US Niche (2026) - Flapen"
---
# **mercury water pump kit**
**Skip it**
A small market ($41K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 59Conversion 34Competition 12Returns 46Price range 95Avg price 94Brand share 12Review moat 80Quality gap 22
**Price range**
**Incredible****$15.07–$87.11**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$46.53**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****397.8**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+34.5%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****3.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****2.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$41K**
$41K/yr · 32K searches
According to Flapen's Amazon United States niche tracking, mercury water pump kit is a $41K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 37/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mercury water pump kit market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$35K–$47K**
- units × avg price
- **Conversion rate**
- **2.8%**
- **Avg BSR**
- **#183**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **8.3%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**38**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**2%**
- Quicksilver62% - UANOFCN16% - QUICKMARINER10% - WINGOGO4% - FREPURDO3% - DynaVim Parts2% - Open — no brand owns it (1 brand, 2%)
## **Demand**
Weekly Amazon search volume, last 9 weeks — +34.5% search growth over the last 90 days.
1K600May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/automotive/mercury-water-pump-kit/trend)
## **Top mercury water pump kit search terms**
- **mercury water pump kit**10K/yr+49.1%1.6% conv. - **mercury 150 water pump kit**7K/yr+15.4%1.7% conv. - **mercury impeller kit**4K/yr+74.2%1.0% conv. - **mercury water pump impeller kit**4K/yr+45.5%0.7% conv. - **mercury outboard water pump kit**3K/yr+13.1%1.0% conv. - **mercury 115 hp water pump kit**3K/yr+2.7%2.5% conv. - **mercury outboard impeller kit**2K/yr+35.5%1.5% conv. [**All search terms **](https://flapen.com/research/us/automotive/mercury-water-pump-kit/search-terms)
## **Top mercury water pump kit products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$6K30%$12K45%$18K60%$25K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Quicksilver by Mercury Marine 8M0100526 Water Pump Repair Kit for Mercury or Mariner Outboards and MerCruiser Sterndrives**Quicksilver**$52.89**4.8★1,698 rev](https://www.amazon.com/dp/B01BNSV0PQ) [2**Quicksilver 96148Q8 Water Pump Repair Kit for Mercury and Mariner Outboards and MerCruiser Stern Drives**Quicksilver**$59.98**4.7★1,167 rev](https://www.amazon.com/dp/B0006JJ5HO) [3**UanofCn 8M0113799 Water Pump Impeller Repair Kit for Mercury Marine 75-115 HP Outboard 46-8M0113799 43024A7 Sierra 18-3688**UANOFCN**$87.11**4.8★46 rev](https://www.amazon.com/dp/B0CDBZBGPN) [4**QuickMarine 96148A8 Water Pump Impeller Repair Kit for Mercury Marine 75-200 HP Outboard Motors and MerCruiser Drives Replacement 46-96148A8 46-96148Q8 Sierra 18-3517 Boat Engine**QUICKMARINER**$37.41**4.6★31 rev](https://www.amazon.com/dp/B0DD3B563G) [5**UanofCn 99157T2 Water Pump Repair Kit for Mercury Marine 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2**UANOFCN**$31.64**4.6★511 rev](https://www.amazon.com/dp/B07PCNYRYD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**FREPURDO 8M0100526 Water Pump Impeller Repair Kit Compatible with Mercury Mariner 40-60HP BigFoot 75-115HP 150HP EFI & MerCruiser Alpha One Gen II - Replaces 47-8m0100526 46-43024A7 Sierra 18-3214**FREPURDO**$25.80**59 rev1y ago](https://www.amazon.com/dp/B0DQPMBDF2) [**QuickMarine 96148A8 Water Pump Impeller Repair Kit for Mercury Marine 75-200 HP Outboard Motors and MerCruiser Drives Replacement 46-96148A8 46-96148Q8 Sierra 18-3517 Boat Engine**QUICKMARINER**$37.41**31 rev1y ago](https://www.amazon.com/dp/B0DD3B563G) [**96148Q8 Water Pump Impeller Repair Kit for Mercury 2-Stroke Outboard and MerCruiser Alpha One Gen 1 Stern Drives 46-96148A8 46-96148Q8 96148A8 18-3217 Water Pump Kit for Mercury Mariner Outboard**DynaVim Parts**$31.63**30 rev1y ago](https://www.amazon.com/dp/B0D7ZL5TKB) [**QuickMarine 8508910 Water Pump Impeller Service Kit for Mercury Marine Force 25 30 40 50 HP Outboard Motor Replacement 47-85089 47-85089-10 47-8M0027792 Sierra 18-3057 with Gasket and Key**QUICKMARINER**$15.07**307 rev1y ago](https://www.amazon.com/dp/B0DB53Q9YV) [**UanofCn 8M0113799 Water Pump Impeller Repair Kit for Mercury Marine 75-115 HP Outboard 46-8M0113799 43024A7 Sierra 18-3688**UANOFCN**$87.11**46 rev2y ago](https://www.amazon.com/dp/B0CDBZBGPN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**QuickMarine 8508910 Water Pump Impeller Service Kit for Mercury Marine Force 25 30 40 50 HP Outboard Motor Replacement 47-85089 47-85089-10 47-8M0027792 Sierra 18-3057 with Gasket and Key**QUICKMARINER**$15.07**4.6★**▲ 88%**](https://www.amazon.com/dp/B0DB53Q9YV) [**UanofCn 99157T2 Water Pump Repair Kit for Mercury Marine 2 Stroke 15-25 HP 4 Stroke 9.9-15 HP 46-99157T2**UANOFCN**$31.64**4.6★**▲ 77%**](https://www.amazon.com/dp/B07PCNYRYD) [**GHmarine 8M0113799 Water Pump Impeller Kit for Mercury Marine 30-125 HP 2-Stroke and 4-Stroke Outboard Engines Sierra 18-3688**GHmarine**$85.37**4.3★**▲ 75%**](https://www.amazon.com/dp/B0CDC1N4JN) [**QuickMarine 96148A8 Water Pump Impeller Repair Kit for Mercury Marine 75-200 HP Outboard Motors and MerCruiser Drives Replacement 46-96148A8 46-96148Q8 Sierra 18-3517 Boat Engine**QUICKMARINER**$37.41**4.6★**▲ 30%**](https://www.amazon.com/dp/B0DD3B563G) [**UanofCn 8M0113799 Water Pump Impeller Repair Kit for Mercury Marine 75-115 HP Outboard 46-8M0113799 43024A7 Sierra 18-3688**UANOFCN**$87.11**4.8★**— 6%**](https://www.amazon.com/dp/B0CDBZBGPN)
**~~View all trending →~~**
## **What buyers say about mercury water pump kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Good quality”*
**Advertised Vs Actual Product**23%
*“Worked as advertised”*
**Size-Overall**20%
*“Fit perfectly”*
**Value For Money**13%
*“a great value for the money”*
**Assembly/Installation**6%
*“Easy to install”*
**Correct Contents**5%
*“Nice kit including all the pieces you'd want to put back in”*
**Efficiency**4%
*“for good operation it is a must”*
**Pressure**2%
*“Pump fit great pumps good water good price and fast shipping”*
**Ease Of Use**2%
*“Fast and easy”*
**Instructions/User Manual/Troubleshooting**1%
*“Came with instructions”*
### **What buyers complain about **
**Advertised Vs Actual Product**33%
*“I want to get the items as shown in the pictures that are advertised. The impeller came with a plastic insert bushing the picture showed it was brass.”*
**Quality-Overall**17%
*“Not the greatest quality”*
**Value For Money**17%
*“way cheaper”*
**Weight Heavy**8%
*“Much heavier than after market”*
**Adhesion/Stickiness**6%
*“it can be a bit sticky to get it broke lose using a screw driver to break it lose”*
### **Top return reasons **
**Size-Overall**40%
**Compatibility-Overall**17%
**Defective Material/Parts**14%
**Advertised Vs Actual Product**13%
**Motor Issues**3%
**Value For Money**2%
**Maintenance And Repair**2%
**Functionality-Overall**2%
**Assembly/Installation**2%
**Product Condition**1%
## **Common questions**
- **Is mercury water pump kit profitable to sell on Amazon United States?**
- The niche generates $41K/yr across 10 tracked products. 90-day search growth is +34.5%. Flapen's verdict: Skip it (37/100).
- **How competitive is the mercury water pump kit niche?**
- 7 brands and 38 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in mercury water pump kit?**
- Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Value For Money. The return rate is 3.4%.
- **What does it cost to enter the mercury water pump kit niche?**
- Listings span $15.07–$87.11; the average listing price is $46.53 (sweet spot $15–$100). The average incumbent carries 398 reviews — the moat a new listing must climb.
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